align with feedback

Author: Goodwine

README.md

@@ -277,7 +277,7 @@ X. Exit testing.
 
 [implementation-specific expectations]: #implementation-specific-expectations
 
-Any option can also be applied to all future occurences of that type of failure
+Any option can also be applied to all future occurrences of that type of failure
 by adding `!` after it. For example, if you want to mark *all* failing specs as
 `:todo` for the current implementation you'd type `I!`.
 

spec/directives/import/nested.hrx

@@ -276,12 +276,12 @@ These are regression tests for https://github.com/sass/dart-sass/issues/2588.
 }
 
 <===> top_level_include_declaration/without_use/_upstream.scss
-@mixin a { b: c }
+@mixin b { c: d }
 @include a;
 
 <===> top_level_include_declaration/without_use/output.css
 .a {
-  b: c;
+  c: d;
 }
 
 <===> top_level_include_declaration/without_use/warning
@@ -297,20 +297,20 @@ More info and automated migrator: https://sass-lang.com/d/import
 ================================================================================
 <===> top_level_include_declaration/with_use/input.scss
 .a {
-  @import 'upstream';
+  @import 'midstream';
 }
 
-<===> top_level_include_declaration/with_use/_upstream.scss
-@use 'other';
-@mixin a { b: c }
-@include a;
+<===> top_level_include_declaration/with_use/_midstream.scss
+@use 'upstream';
+@mixin b { c: d }
+@include b;
 
-<===> top_level_include_declaration/with_use/other.scss
+<===> top_level_include_declaration/with_use/_other.scss
 // Intentionally empty.
 
 <===> top_level_include_declaration/with_use/output.css
 .a {
-  b: c;
+  c: d;
 }
 
 <===> top_level_include_declaration/with_use/warning
@@ -334,15 +334,15 @@ More info and automated migrator: https://sass-lang.com/d/import
 
 <===> top_level_include_declaration/with_use_two_levels_deep/_upstream2.scss
 @use 'other';
-@mixin a { b: c }
-@include a;
+@mixin b { c: d }
+@include b;
 
 <===> top_level_include_declaration/with_use_two_levels_deep/other.scss
 // Intentionally empty.
 
 <===> top_level_include_declaration/with_use_two_levels_deep/output.css
 .a {
-  b: c;
+  c: d;
 }
 
 <===> top_level_include_declaration/with_use_two_levels_deep/warning

spec/directives/use/error/load.hrx

@@ -331,18 +331,37 @@ Error: There's already a module with namespace "other".
 
 <===>
 ================================================================================
-<===> top_level_include_declaration/input.scss
+<===> top_level_include_declaration/upstream_mixin/input.scss
 @use "upstream";
 @include upstream.a;
 
-<===> top_level_include_declaration/_upstream.scss
+<===> top_level_include_declaration/upstream_mixin/_upstream.scss
 @mixin a { b: c }
 
-<===> top_level_include_declaration/error
+<===> top_level_include_declaration/upstream_mixin/error
 Error: Declarations may only be used within style rules.
   ,
 1 | @mixin a { b: c }
   |            ^^^^^
   '
   _upstream.scss 1:12  a()
   input.scss 2:1       root stylesheet
+
+<===>
+================================================================================
+<===> top_level_include_declaration/input_mixin/input.scss
+@use 'upstream';
+@mixin a { b: c }
+@include a;
+
+<===> top_level_include_declaration/input_mixin/_upstream.scss
+// Intentionally empty.
+
+<===> top_level_include_declaration/input_mixin/error
+Error: Declarations may only be used within style rules.
+  ,
+2 | @mixin a { b: c }
+  |            ^^^^^
+  '
+  input.scss 2:12  a()
+  input.scss 3:1   root stylesheet